Finding the Fourth Proportional to 2,798.37, 4,198.64 and 1,066.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,798.37 : 4,198.64 = 1,066.59 : x
2. Step 2: Convert to fraction form
   2,798.37/4,198.64 = 1,066.59/x
3. Step 3: Cross multiply
   2,798.37x = 4,198.64 × 1,066.59
4. Step 4: Simplify right side
   2,798.37x = 4,478,222.10
5. Step 5: Solve for x
   x = 4,478,222.10/2,798.37
6. Step 6: Final answer
   x = 1,600.30